| Investor Name | Invest Money | Lead Investor | Propotion |
|---|
| Announced Date | Round | Money Raised | Investors | |
|---|---|---|---|---|
| May 5, 2000 | Series A | $ 16M | Benchmark,Greylock,etc. | Detail |
| Dec 21, 2012 | Series Unknown | $ 6.33M | Detail | |
| Aug 26, 2013 | Series Unknown | $ 1.75M | Detail | |
| Nov 14, 2013 | Series Unknown | $ 3.83M | Detail |